[PATCH v4 1/2] pinctrl: renesas: rzg2l: Fix PMC restore

[Biju Das]

The PMC restore needs unlocking the register using PWPR register.

Fixes: 14c32dc1f63d ("pinctrl: renesas: rzg2l: Add function pointer for PFC register locking")
Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
---
 drivers/pinctrl/renesas/pinctrl-rzg2l.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
index f524af6f586f..94cb77949f59 100644
--- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c
+++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c
@@ -2993,7 +2993,11 @@ static void rzg2l_pinctrl_pm_setup_regs(struct rzg2l_pinctrl *pctrl, bool suspen
 		 * Now cache the registers or set them in the order suggested by
 		 * HW manual (section "Operation for GPIO Function").
 		 */
-		RZG2L_PCTRL_REG_ACCESS8(suspend, pctrl->base + PMC(off), cache->pmc[port]);
+		if (suspend)
+			RZG2L_PCTRL_REG_ACCESS8(suspend, pctrl->base + PMC(off), cache->pmc[port]);
+		else
+			pctrl->data->pmc_writeb(pctrl, cache->pmc[port], PMC(off));
+
 		if (has_iolh) {
 			RZG2L_PCTRL_REG_ACCESS32(suspend, pctrl->base + IOLH(off),
 						 cache->iolh[0][port]);
-- 
2.43.0